Power adapter



FIG. 1 is a front perspective view of a power adapter showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a left view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines in the drawings are included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a power adapter, as shown and described. 